3 Wire Well Pump Testing
I found that the wiring for the original 3 wire pump had been reconfigured to that of a two wire pump eliminating the need for a controller.
3 wire well pump testing. After opening up the pump controller i did some head scratching. On 3 wire motors measure the resistance of yellow to black main winding and yellow to red start winding. Troubleshooting submersible well pumps 101. Benefits of a 2 wire over a 3 wire pump.
Below is a control box. Troubleshooting inside the box is made simple by the control components automatically disconnecting from the system when the lid is removed. If you desire a cheaper starting price quick and easy installation and are fine with replacing the entire pump if something major goes wrong then an all in one 2 wire well pump may. It s a 4 franklin 1 2 hp 110 ft.
These are usually labeled s r and n the wires connected to the green screw ground the well system. Collection of 3 wire submersible pump wiring diagram. A 3 wire pump actually has four wires going into the control box and 4 wires going to your pump. The wires heading to the well s pump motor connect to terminals with a start run and neutral function.
The pumps themselves tend to be less expensive and the wire. The wiring connection of submersible pump control box is very simple. In h2o s experience we find the 2 wire pumps to be more reliable and robust. Step 4 visually inspect the control panel s wires wire connections relay and capacitor.
3 wire submersible pump wiring diagram well pump wiring diagram and 3 wire submersible. If so go with a 3 wire well pump. Click on the image to enlarge and then save it to your computer by right clicking on the image. Measure the resistance from line to line.
Replace all burnt. Measure the resistance line to line for all three combinations. Here is the complete guide step by step. I m wondering why then would you want a three wire pump that requires an additional piece of equipment pump controller when a two wire pump does the same job without the added cost of a.
Three wire pumps may have a higher starting price but you re paying for the ability to replace individual parts of the pump as well as a longer life span on the pump itself. In this video i go over the differences of a 2 wire and a 3 wire submersible well pump this is associated with the starting components for the pump and whet. Inside is the relay and start capacitor. Wells sump pumps and septic sewage systems testing a submersible well pump i think our subersible pump died but want to make sure before pulling it.
If all ohms values are normal tables 13 22 24 25 27 in aim manual the motor windings are neither shorted nor open and the cable.